So I changed my fuel filter today and apparently I did not have the cap on tight enough so when I went to start the truck it gave my engine compartment a diesel shower. The question is will the diesel fuel hurt any of the wiring or components?

I had that happen to me. The old oring was still on the bowl and I put the new cover with a new oring and so the two orings showered my truck till I heard fluid dripping. My truck is fine I think you will be ok it

I think I did like but not because of the fuel reason. The fuel will evaporate. The only place were it won't evaporate they fast is the valley but that won't hurt anything. I think I washed it like a week late like I said not the fuel reason

It will be fine. There are wires in the fuel tank for the fuel sending unit and plastic harness to and they hold up just fine. If it were gas I'd be more conserned because of its flamiblity and a hot engine, but not a problem with diesel.

I stacked the two gaskets once also. If you pop the hood, have a buddy stand at the front of the truck to look for a leak, and key on, you will spray him with diesel. That was 5 years ago, nothing bad has ever happened from it.

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